There are 26 US Post Offices in Centre County serving a total of 132,054 residents equating to 5,079 residents per post office. It's estimated that approximately 210,773 packages are handled across the 26 county post offices annually. Centre County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 153,990. Its county seat is Bellefonte. Centre County comprises the State College, PA Metropolitan Statistical Area."